Using O=C1c2nccnc2C(Cl)N1c1ccc2ccc(Cl)nc2n1, CCOC(=O)CC(=O)C(C)C to produce CCOC(=O)C(C(=O)C(C)C)C1c2nccnc2C(=O)N1c1ccc2ccc(Cl)nc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.