Using CC(C)(C)OC(=O)c1ccc2c(c1)C1(CCNCC1)C(=O)N2CCOC1CCCCO1 to produce CC(C)(C)OC(=O)c1ccc2c(c1)C1(CCNCC1)C(=O)N2CCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.