Using COC(=O)c1ccc(Cl)c2nc(Nc3c(C)nc(OC)nc3C)n(CCCCl)c12 to produce COC(=O)c1ccc(Cl)c2nc3n(c12)CCCN3c1c(C)nc(OC)nc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.