Using CC(=O)OCC(COC(C)=O)n1ccc2c(N)cccc2c1=O, I to produce CC(=O)OCC(COC(C)=O)n1ccc2c(I)cccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.