Using CCOC(=O)CBr, Cn1c(=O)c(Cc2ccc(C#N)cc2)nc2cc(NS(=O)(=O)c3cccc4cccnc34)ccc21 to produce COC(=O)CN(c1ccc2c(c1)nc(Cc1ccc(C#N)cc1)c(=O)n2C)S(=O)(=O)c1cccc2cccnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.