Using N#Cc1ccc(-c2cc(COCC3(c4ccccc4)CCNCC3)cc(C(F)(F)F)c2)cc1, CC=O to produce CCN1CCC(COCc2cc(-c3ccc(C#N)cc3)cc(C(F)(F)F)c2)(c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.