Using CCOC(=O)CBr, CC(C)c1nc2c(n1Cc1ccc(Cl)cc1)C(O)CCC2 to produce CCOC(=O)COC1CCCc2nc(C(C)C)n(Cc3ccc(Cl)cc3)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.