Using O=C(O)c1ccc(Cl)cc1, CC(C)(C)OC(=O)N1[C@@H](CCc2ccc(N)cc2)COC1(C)C to produce CC(C)(C)OC(=O)N1[C@@H](CCc2ccc(NC(=O)c3ccc(Cl)cc3)cc2)COC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.