Using COc1c(OC)c(=O)c1=O, COc1ccc(C(NC(=O)c2ccccc2)c2cccc(N)c2)cc1 to produce COc1ccc(C(NC(=O)c2ccccc2)c2cccc(Nc3c(OC)c(=O)c3=O)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.