Using CCOC(=O)c1sc(Nc2ccccc2N)nc1C, O=C(Cl)Cl to produce CCOC(=O)c1sc(-n2c(=O)[nH]c3ccccc32)nc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.