Using CCCC[Sn](CCCC)(CCCC)c1cc(Cc2ccc(COc3ccccn3)cc2)no1, II to produce Ic1cc(Cc2ccc(COc3ccccn3)cc2)no1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.