Using COC(=O)C(O)c1c(C)nc2cc(-c3ccc4c(c3)CCCC4)nn2c1Cl to produce COC(=O)C(=O)c1c(C)nc2cc(-c3ccc4c(c3)CCCC4)nn2c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.