Using CC(C)(C)OC(=O)NCC(C)(C)C(=O)O, O=C(CC1CCNCC1)OCc1ccccc1 to produce CC(C)(C)OC(=O)NCC(C)(C)C(=O)N1CCC(CC(=O)OCc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.