Using CCn1c2ccccc2c2cc(CN3CCCC(C(=N)OC)C3)ccc21, NNC=O to produce CCn1c2ccccc2c2cc(CN3CCCC(c4ncn[nH]4)C3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.