Using O=C(n1ccnc1)n1ccnc1, COc1ccc2c(c1)c(OC(C)C)c(C(=O)O)n2C to produce COc1ccc2c(c1)c(OC(C)C)c(C(N)=O)n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.