Using COc1nnccc1CN1CCC(C(=O)Cc2ccccc2F)CC1 to produce O=C(Cc1ccccc1F)C1CCN(Cc2ccn[nH]c2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.