Using CCCCN(C(=O)c1cc(OC)c(OC)cc1I)c1ccnc2cc3c(cc12)OCO3 to produce CCCCn1c(=O)c2cc(OC)c(OC)cc2c2cnc3cc4c(cc3c21)OCO4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.