Using CC(C)(C)OC(=O)N1CCC(c2nc(Br)ccc2N)CC1, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1ccc(N)c(C2CCN(C(=O)OC(C)(C)C)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.