Using O=C1CCC(=O)N1Br, Cc1ccc(S(=O)(=O)n2ccc3c2ncc2cnc(C4CCCCC4)n23)cc1 to produce Cc1ccc(S(=O)(=O)n2ccc3c2ncc2c(Br)nc(C4CCCCC4)n23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.