Using Cc1nc(C)n(-c2c(C)n[nH]c2O)n1, CC(Br)C(=O)c1ccc(Cl)cc1Cl to produce Cc1nc(C)n(-c2c(C)n[nH]c2OC(C)C(=O)c2ccc(Cl)cc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.