Using c1cn2c(n1)CNCC2, COC(=O)c1cccc2oc(Cl)nc12 to produce COC(=O)c1cccc2oc(N3CCn4ccnc4C3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.