Using C1COCCN1, CNc1nc(Nc2cc(C(=O)O)nn2C)ncc1Cl to produce CNc1nc(Nc2cc(C(=O)N3CCOCC3)nn2C)ncc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.