Using NC1CCOCC1, Cn1nnc(-c2ccccc2F)c1-c1cn(-c2ccc(C(=O)O)cn2)cn1 to produce Cn1nnc(-c2ccccc2F)c1-c1cn(-c2ccc(C(=O)NC3CCOCC3)cn2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.