Using COc1ccc(CCl)cc1, O=c1nc(C2CC2)c2cc(-c3cccc(Cl)c3)ccc2[nH]1 to produce COc1ccc(Cn2c(=O)nc(C3CC3)c3cc(-c4cccc(Cl)c4)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.