Using O=c1[nH]c2cc(Cl)ccc2n1C1CCNCC1, CCCCc1ccc(F)cc1 to produce O=c1[nH]c2cc(Cl)ccc2n1C1CCN(CCCC(c2ccc(F)cc2)c2ccc(F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.