Using O=C1c2cccc3c(N4CCCNCC4)ccc(c23)N1CCCC(F)(F)F to produce O=C1c2cccc3c(N4CCCN(CCCc5ccccc5)CC4)ccc(c23)N1CCCC(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.