Using COC(=O)Cc1c(C)n(Cc2cc(C)nn2C)c2ncccc12 to produce Cc1cc(Cn2c(C)c(CC(=O)O)c3cccnc32)n(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.