Using O=C1Nc2cnc(Cl)nc2N2CCOCC12, Cn1ccc(CCl)n1 to produce Cn1ccc(CN2C(=O)C3COCCN3c3nc(Cl)ncc32)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.