Using COc1cc(C2CCNCC2)ccc1Nc1ncc(C(F)(F)F)c(CCc2cccc(C(N)=O)c2)n1, CC=O to produce CCN1CCC(c2ccc(Nc3ncc(C(F)(F)F)c(CCc4cccc(C(N)=O)c4)n3)c(OC)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.