Using NCc1ccc(Br)cc1, CCOC(=O)CCc1c(C)nc(COC)nc1Cl to produce COCc1nc(C)c2c(n1)N(Cc1ccc(Br)cc1)C(=O)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.