Using Cc1cccc(-c2nn3c(c2-c2ccnc4cc(Br)ccc24)CCC3)n1, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1ccc2c(-c3c(-c4cccc(C)n4)nn4c3CCC4)ccnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.