Using CCOC(=O)CC(C)(C)Cc1ccc(OCCCNc2ccccn2)c(OC)c1 to produce COc1cc(CC(C)(C)CC(=O)O)ccc1OCCCNc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.