Using CCN(C)S(=O)(=O)c1ccc([Sn](C)(C)C)nc1, Nc1ncc(Br)cc1-c1ccc2c(c1)CCNC2=O to produce CCN(C)S(=O)(=O)c1ccc(-c2cnc(N)c(-c3ccc4c(c3)CCNC4=O)c2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.