Using CC(=O)N1Cc2ccccc2C2(CCN(C3CCC4(CC3)OCCO4)CC2)C1 to produce CC(=O)N1Cc2ccccc2C2(CCN(C3CCC(=O)CC3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.