Using COC(=O)c1cnc2[nH]ccc2c1N[C@@H]1CCCN(C(=O)CNc2cc(Cl)cc(Cl)c2)C1 to produce O=C(O)c1cnc2[nH]ccc2c1N[C@@H]1CCCN(C(=O)CNc2cc(Cl)cc(Cl)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.