Using COCCN, Cc1c(C(=O)c2ccc(F)cc2)c2ccccc2n1CCN1CCOCC1 to produce COCCNc1ccc(C(=O)c2c(C)n(CCN3CCOCC3)c3ccccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.