Using CCOC(=O)CC1(NC(=O)OC(C)(C)C)CC2COCC(C1)N2Cc1ccccc1 to produce CCOC(=O)CC1(NC(=O)OC(C)(C)C)CC2COCC(C1)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.