Using O=C(Nc1ccccc1)c1cn2cc(I)ccc2n1, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1ccc2nc(C(=O)Nc3ccccc3)cn2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.