Using NC(=O)CBr, O=c1c(C2=NS(=O)(=O)c3cc(O)ccc3N2)c(O)c2ccccc2n1NC1CCCCC1 to produce NC(=O)COc1ccc2c(c1)S(=O)(=O)N=C(c1c(O)c3ccccc3n(NC3CCCCC3)c1=O)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.