Using NCC1CCCCC1, CC(C)(C)OC(=O)NC1(C(=O)O)CCN(C(=O)OCc2ccccc2)CC1 to produce CC(C)(C)OC(=O)NC1(C(=O)NCC2CCCCC2)CCN(C(=O)OCc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.