Using CCOC(=O)C(CO)CCBr, Nc1nc(Cl)c2[nH]cnc2n1 to produce CCOC(=O)C(CO)CCn1cnc2c(Cl)nc(N)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.