Using CCOC(=O)C(CCc1ccccc1)NC1CCCCCCN(CC(=O)OC(C)(C)C)C1=O to produce CCOC(=O)CN1CCCCCCC(NC(CCc2ccccc2)C(=O)OCC)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.