Using COc1ncccc1CN1CCC(CC(=O)c2cccnc2Cl)CC1 to produce O=C(CC1CCN(Cc2ccc[nH]c2=O)CC1)c1cccnc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.