Using N=C(N)N1CCN(Cc2ccccc2)CC1, COC=C(C(C)=O)C(=O)OC to produce COC(=O)c1cnc(N2CCN(Cc3ccccc3)CC2)nc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.