Using O=C(NCCN1CCCC1=O)c1ccc(C2CCN(c3ccc4nnc(C(F)(F)F)n4n3)CC2)cc1, CI to produce CN(CCN1CCCC1=O)C(=O)c1ccc(C2CCN(c3ccc4nnc(C(F)(F)F)n4n3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.