Using COC(=O)C(Cc1ccncc1)(Cc1ccncc1)N=C(c1ccccc1)c1ccccc1 to produce COC(=O)C(N)(Cc1ccncc1)Cc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.