Using O=S(=O)(Nc1cccc(Cl)c1)c1ccc2c(c1)CNCC2, CCOC(=O)CCCBr to produce CCOC(=O)CCCN1CCc2ccc(S(=O)(=O)Nc3cccc(Cl)c3)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.