Using CC1=C(N2CCC3(CCN(Cc4ccccc4)CC3O)C2=O)COC1=O to produce CC1=C(N2CCC3(CCNCC3O)C2=O)COC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.