Using FC(F)(F)c1cccc(N2CCNCC2)c1, ClCCCn1ncc2ccccc21 to produce FC(F)(F)c1cccc(N2CCN(CCCn3ncc4ccccc43)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.