Using O=C(Cl)NN1CCc2ccccc2C1, Oc1ccc2c(c1)CN(Nc1ccncc1)C2 to produce O=C(NN1CCc2ccccc2C1)Oc1ccc2c(c1)CN(Nc1ccncc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.