Using Nc1ccc(CNc2ccnc3c2C2OCCCN2C(=O)N3)cc1F, O=C(O)c1ccccc1 to produce O=C(Nc1ccc(CNc2ccnc3c2C2OCCCN2C(=O)N3)cc1F)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.