Using C=CCCCN(CC(=O)OC(C)(C)C)S(=O)(=O)c1ccc(OCc2ccccc2)cc1, CN(C)C=O to produce CC(=O)CCCN(CC(=O)OC(C)(C)C)S(=O)(=O)c1ccc(OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.