Using NC(N)=S, CCc1ccc(CCOc2ccc(CC(Br)C(=O)OC)cc2)nc1 to produce CCc1ccc(CCOc2ccc(CC3SC(=N)NC3=O)cc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.