Using C=Cc1csc(C(=O)Nc2c(C(C)=O)ccc(OC)c2Cl)n1 to produce C=Cc1csc(-c2cc(O)c3ccc(OC)c(Cl)c3n2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.