Using O=C(O)c1cc2cc(F)ccc2[nH]1, CCCNc1cccnc1N1CCNCC1 to produce CCCNc1cccnc1N1CCN(C(=O)c2cc3cc(F)ccc3[nH]2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.