Using CC(C)(C)OC(=O)N1CCC(C(=O)N2CCOCC2)(c2ccccc2)CC1 to produce O=C(N1CCOCC1)C1(c2ccccc2)CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.