Using COC(=O)c1cc(C(=O)NC(C=O)c2ccccc2)c(SC)s1 to produce COC(=O)c1cc(-c2nc(-c3ccccc3)co2)c(SC)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.