Using CNc1nc2cc3c(cc2cc1CCl)OCO3, CCc1nc(O)cc2cc(OC)c(OC)cc12 to produce CCc1nc(O)c(Cc2cc3cc4c(cc3nc2NC)OCO4)c2cc(OC)c(OC)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.