Using CC(C)(C)OC(=O)NCC(=O)O, CCc1ccc(NC(=O)OCC2(C(=O)NCc3ccccc3Cl)CCNCC2)cc1 to produce CCc1ccc(NC(=O)OCC2(C(=O)NCc3ccccc3Cl)CCN(C(=O)CNC(=O)OC(C)(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.