Using NCCC[C@H](NC(=O)OCc1ccccc1)C(=O)O, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(NCCC[C@H](NC(=O)OCc2ccccc2)C(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.