Using COc1ccc(CN(c2nccs2)S(=O)(=O)c2ccc3c(c2)OCCN3c2ccccc2Br)cc1, C=C[Sn](CCCC)(CCCC)CCCC to produce C=Cc1ccccc1N1CCOc2cc(S(=O)(=O)N(Cc3ccc(OC)cc3)c3nccs3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.