Using Nc1c(Cl)cncc1Cl, COc1cccc(Cn2cc(C(=O)C(=O)Cl)c3cccnc32)c1 to produce COc1cccc(Cn2cc(C(=O)C(=O)Nc3c(Cl)cncc3Cl)c3cccnc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.