Using O=C([O-])[O-], CCOC(=O)c1sc2nc(Cc3ccc(Cl)c(Cl)c3)[nH]c(=O)c2c1C to produce CCOC(=O)c1sc2nc(Cc3ccc(Cl)c(Cl)c3)n(C)c(=O)c2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.