Using COC(=O)CCN(C)c1ccccc1, O=C(Cl)C(=O)Cl to produce COC(=O)CCN(C)c1ccc(C(=O)C(=O)c2ccc(N(C)CCC(=O)OC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.