Using CCOC(=O)n1c(C(=O)c2cccc(OC)c2)c(N)c2ccc(Cl)cc21 to produce COc1cccc(C(=O)c2[nH]c3cc(Cl)ccc3c2N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.