Using CCc1ccc(COc2ccc3cc(CC(Br)C(=O)OC)cnc3c2)nc1, NC(N)=S to produce CCc1ccc(COc2ccc3cc(CC4SC(=N)NC4=O)cnc3c2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.