Using CCOC(=O)C1CCN(Cc2ccccc2)CC1=O, NC(N)CN1CCOCC1 to produce O=C1N=C(CN2CCOCC2)N=C2CN(Cc3ccccc3)CCC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.