Using CCOC(=O)c1cccc(Nc2nccc(-c3c[nH]nc3-c3ccc(Cl)c(OC)c3)n2)c1 to produce CCOC(=O)c1cccc(Nc2nccc(-c3c[nH]nc3-c3ccc(Cl)c(O)c3)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.