Using CN1CCC(OC2c3ccccc3CCn3cc(I)nc32)CC1, CCCC[Sn](CCCC)(CCCC)c1ccccn1 to produce CN1CCC(OC2c3ccccc3CCn3cc(-c4ccccn4)nc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.