Using CCOC(=O)Cn1nccc1-c1ncccc1COc1cnc(OC)cc1C=O to produce COc1cc(C=O)c(OCc2cccnc2-c2ccnn2CC(=O)O)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.