Using CN=C=O, Cc1cc(C)cc(COC(=O)C(N)Cc2c[nH]c3ccccc23)c1 to produce CNC(=O)NC(Cc1c[nH]c2ccccc12)C(=O)OCc1cc(C)cc(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.